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<p class="MsoNormal"><span lang="EN-US" style="font-family:"HP Simplified","sans-serif"">Hi All,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"HP Simplified","sans-serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"HP Simplified","sans-serif"">In order to support NUMA and guest NUMA feature in ovirt.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"HP Simplified","sans-serif"">We need per NUMA node CPU usage or per CPU usage related information on engine core.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"HP Simplified","sans-serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"HP Simplified","sans-serif"">This information will be used for VM who have NUMA aware information and find the best Host to run it on with best performance.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"HP Simplified","sans-serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"HP Simplified","sans-serif"">Approach 1:<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:18.0pt;text-indent:-18.0pt;mso-list:l1 level1 lfo1">
<![if !supportLists]><span lang="EN-US" style="font-family:"HP Simplified","sans-serif""><span style="mso-list:Ignore">1.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US" style="font-family:"HP Simplified","sans-serif"">Sample data in vdsm for each CPU stats. (sys, usr, iowait, idle)<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:18.0pt;text-indent:-18.0pt;mso-list:l1 level1 lfo1">
<![if !supportLists]><span lang="EN-US" style="font-family:"HP Simplified","sans-serif""><span style="mso-list:Ignore">2.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US" style="font-family:"HP Simplified","sans-serif"">Calculate the each CPU usage information. (%sys, %usr, %iowait, %idle)<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:18.0pt;text-indent:-18.0pt;mso-list:l1 level1 lfo1">
<![if !supportLists]><span lang="EN-US" style="font-family:"HP Simplified","sans-serif""><span style="mso-list:Ignore">3.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US" style="font-family:"HP Simplified","sans-serif"">Transport the usage data to engine core.<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:18.0pt;text-indent:-18.0pt;mso-list:l1 level1 lfo1">
<![if !supportLists]><span lang="EN-US" style="font-family:"HP Simplified","sans-serif""><span style="mso-list:Ignore">4.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US" style="font-family:"HP Simplified","sans-serif"">Engine core merge per NUMA node CPU usage. (%sys, %usr, %iowait, %idle)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"HP Simplified","sans-serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"HP Simplified","sans-serif"">Approach 2:<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:18.0pt;text-indent:-18.0pt;mso-list:l0 level1 lfo2">
<![if !supportLists]><span lang="EN-US" style="font-family:"HP Simplified","sans-serif""><span style="mso-list:Ignore">1.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US" style="font-family:"HP Simplified","sans-serif"">Sample data in vdsm for each CPU stats. (sys, usr, iowait, idle)<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:18.0pt;text-indent:-18.0pt;mso-list:l0 level1 lfo2">
<![if !supportLists]><span lang="EN-US" style="font-family:"HP Simplified","sans-serif""><span style="mso-list:Ignore">2.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US" style="font-family:"HP Simplified","sans-serif"">Calculate the each CPU usage information. (%sys, %usr, %iowait, %idle)<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:18.0pt;text-indent:-18.0pt;mso-list:l0 level1 lfo2">
<![if !supportLists]><span lang="EN-US" style="font-family:"HP Simplified","sans-serif""><span style="mso-list:Ignore">3.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US" style="font-family:"HP Simplified","sans-serif"">VDSM merge per NUMA node CPU usage. (%sys, %usr, %iowait, %idle)<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:18.0pt;text-indent:-18.0pt;mso-list:l0 level1 lfo2">
<![if !supportLists]><span lang="EN-US" style="font-family:"HP Simplified","sans-serif""><span style="mso-list:Ignore">4.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US" style="font-family:"HP Simplified","sans-serif"">Transport the usage data to engine core.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"HP Simplified","sans-serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"HP Simplified","sans-serif"">Which one do you prefer, and why, or other solution.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"HP Simplified","sans-serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span lang="EN-US" style="font-size:9.0pt;font-family:"HP Simplified","sans-serif";color:black">Best Regards,<br>
</span></b><span lang="EN-US" style="font-size:9.0pt;font-family:"HP Simplified","sans-serif";color:#717172">Jason Liao</span><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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